X-Git-Url: http://git.nguyen.vg/gitweb/?p=tatoo.git;a=blobdiff_plain;f=src%2Fnode_list.ml;fp=src%2Fnode_list.ml;h=e9bb58a7a8ad54a7e13383b6b7ad0b71ced9ee1d;hp=2219d5bc88fcb04e00ea273ff9a4df01aa178865;hb=172af8a5311dd53ad6df9e330d6917200441dd39;hpb=3406b26f1ea26a997d7f194c547439891c108ce6

diff --git a/src/node_list.ml b/src/node_list.ml
index 2219d5b..e9bb58a 100644
--- a/src/node_list.ml
+++ b/src/node_list.ml
@@ -17,9 +17,19 @@ module type S =
   sig
     type node
     type t
+    type iterator
 
     val create : unit -> t
-    val add : node -> t -> t
+    val add : node -> t -> unit
+    val push_front : node -> t -> unit
+    val push_back : node -> t -> unit
     val iter : (node -> unit) -> t -> unit
     val length : t -> int
+    val is_empty : t -> bool
+    val head : t -> iterator
+    val last : t -> iterator
+    val next : iterator -> iterator
+    val value : iterator -> node
+    val finished : iterator -> bool
+    val copy : t -> t
   end